#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <Windows.h>
int main()
{
	int h = 0, min = 0, s = 0;
	while (1)
	{
		min = 0;
		for (min = 0; min < 60; min++)
		{
			s = 0;
			for (s = 0; s < 60; s++)
			{
				printf("%02d:%02d:%02d", h, min, s);
				Sleep(970);

				system("cls");
			}
		}
		h++;
	}
	return 0;
}